117390429 has 12 divisors (see below), whose sum is σ = 182607516. Its totient is φ = 72240192.

The previous prime is 117390391. The next prime is 117390431. The reversal of 117390429 is 924093711.

It can be written as a sum of positive squares in 2 ways, for example, as 46376100 + 71014329 = 6810^2 + 8427^2 .

It is not a de Polignac number, because 117390429 - 2¹² = 117386333 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117390393 and 117390402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117390629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501552 + ... + 501785.

It is an arithmetic number, because the mean of its divisors is an integer number (15217293).

Almost surely, 2^117390429 is an apocalyptic number.

It is an amenable number.

117390429 is a deficient number, since it is larger than the sum of its proper divisors (65217087).

117390429 is a wasteful number, since it uses less digits than its factorization.

117390429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003356 (or 1003353 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 117390429 is about 10834.6863821709. The cubic root of 117390429 is about 489.6407598747.

The spelling of 117390429 in words is "one hundred seventeen million, three hundred ninety thousand, four hundred twenty-nine".